📅 Original date posted:2018-07-12
📝 Original message:
DING FENG <dingfeng12345 at gmail.com> writes:
> Hi,
>
> I'm a junior developer and a bitcoin user.
> And I have read this thread carefully.
>
> I'm very worried about "SIGHASH_NOINPUT".
>
> Because "SIGHASH_NOINPUT" looks will be widely used, and it makes reuse
> address more dangerous.
No.
A wallet should *never* create a SIGHASH_NOINPUT to spend its own UTXOs.
SIGHASH_NOINPUT is useful for smart contracts which have unique
conditions, such as a pair of peers rotating keys according to an agreed
schedule (eg. lightning).
Cheers,
Rusty.
Rusty Russell [ARCHIVE] /
npub1zw…hkhpx
2023-06-09 12:51:08
in reply to nevent1q…0w8h
Author Public Key
npub1zw7cc8z78v6s3grujfvcv3ckpvg6kr0w7nz9yzvwyglyg0qu5sjsqhkhpxPublished at
2023-06-09 12:51:08Event JSON
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"content": "📅 Original date posted:2018-07-12\n📝 Original message:\nDING FENG \u003cdingfeng12345 at gmail.com\u003e writes:\n\u003e Hi,\n\u003e\n\u003e I'm a junior developer and a bitcoin user.\n\u003e And I have read this thread carefully.\n\u003e\n\u003e I'm very worried about \"SIGHASH_NOINPUT\".\n\u003e\n\u003e Because \"SIGHASH_NOINPUT\" looks will be widely used, and it makes reuse\n\u003e address more dangerous.\n\nNo.\n\nA wallet should *never* create a SIGHASH_NOINPUT to spend its own UTXOs.\nSIGHASH_NOINPUT is useful for smart contracts which have unique\nconditions, such as a pair of peers rotating keys according to an agreed\nschedule (eg. lightning).\n\nCheers,\nRusty.",
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